%0 Journal Article %A Yu. M. Krikunov %T The Tricomi problem for a certain special case of the equation $K(y)u_{xx}+u_{yy}=0$;~III %J Trudy seminara po kraevym zadačam %D 1969 %P 94-105 %V 6 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1969_6_6_a12/ %G ru %F KUKZ_1969_6_6_a12